// Copyright (c) 2015 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// THE SOFTWARE.
package com.uber.jenkins.phabricator.conduit;
import net.sf.json.JSONObject;
import net.sf.json.groovy.JsonSlurper;
import org.apache.commons.httpclient.HttpStatus;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.client.methods.HttpUriRequest;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.message.BasicNameValuePair;
import java.io.IOException;
import java.io.InputStream;
import java.io.UnsupportedEncodingException;
import java.net.MalformedURLException;
import java.net.URISyntaxException;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;
public class ConduitAPIClient {
private static final String API_TOKEN_KEY = "token";
private static final String CONDUIT_METADATA_KEY = "__conduit__";
private final String conduitURL;
private final String conduitToken;
public ConduitAPIClient(String conduitURL, String conduitToken) {
this.conduitURL = conduitURL;
this.conduitToken = conduitToken;
}
/**
* Call the conduit API of Phabricator
* @param action Name of the API call
* @param params The data to send to Harbormaster
* @return The result as a JSONObject
* @throws IOException If there was a problem reading the response
* @throws ConduitAPIException If there was an error calling conduit
*/
public JSONObject perform(String action, JSONObject params) throws IOException, ConduitAPIException {
CloseableHttpClient client = HttpClientBuilder.create().build();
HttpUriRequest request = createRequest(action, params);
HttpResponse response;
try {
response = client.execute(request);
} catch (ClientProtocolException e) {
throw new ConduitAPIException(e.getMessage());
}
InputStream responseBody = response.getEntity().getContent();
if (response.getStatusLine().getStatusCode() != HttpStatus.SC_OK) {
throw new ConduitAPIException(responseBody.toString(), response.getStatusLine().getStatusCode());
}
JsonSlurper jsonParser = new JsonSlurper();
return (JSONObject)jsonParser.parse(responseBody);
}
/**
* Post a URL-encoded "params" key with a JSON-encoded body as per the Conduit API
* @param action The name of the Conduit method
* @param params The data to be sent to the Conduit method
* @return The request to perform
* @throws UnsupportedEncodingException when the POST data can't be encoded
* @throws ConduitAPIException when the conduit URL is misconfigured
*/
public HttpUriRequest createRequest(String action, JSONObject params) throws UnsupportedEncodingException, ConduitAPIException {
HttpPost post;
try {
post = new HttpPost(
new URL(new URL(new URL(conduitURL), "/api/"), action).toURI()
);
} catch (MalformedURLException e) {
throw new ConduitAPIException(e.getMessage());
} catch (URISyntaxException e) {
throw new ConduitAPIException(e.getMessage());
}
JSONObject conduitParams = new JSONObject();
conduitParams.put(API_TOKEN_KEY, conduitToken);
params.put(CONDUIT_METADATA_KEY, conduitParams);
List<NameValuePair> formData = new ArrayList<NameValuePair>();
formData.add(new BasicNameValuePair("params", params.toString()));
UrlEncodedFormEntity entity = new UrlEncodedFormEntity(formData, "UTF-8");
post.setEntity(entity);
return post;
}
}